193719981

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 351630720

約数和(自身を除く): 157910739

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 67, 89, 91, 119, 147, 201, 221, 267, 273, 357, 469, 623, 637, 663, 833, 871, 1139, 1157, 1407, 1513, 1547, 1869, 1911, 2499, 2613, 3283, 3417, 3471, 4361, 4539, 4641, 5963, 6097, 7973, 8099, 9849, 10591, 10829, 13083, 14807, 17889, 18291, 19669, 23919, 24297, 31773, 32487, 41741, 42679, 44421, 55811, 56693, 59007, 74137, 77519, 101371, 103649, 125223, 128037, 137683, 167433, 170079, 222411, 232557, 292187, 304113, 310947, 413049, 542633, 709597, 725543, 876561, 963781, 1317823, 1627899, 2128791, 2176629, 2891343, 3798431, 3953469, 4967179, 9224761, 11395293, 14901537, 27674283, 64573327, 193719981]

約数ペア:

[(1, 193719981), (3, 64573327), (7, 27674283), (13, 14901537), (17, 11395293), (21, 9224761), (39, 4967179), (49, 3953469), (51, 3798431), (67, 2891343), (89, 2176629), (91, 2128791), (119, 1627899), (147, 1317823), (201, 963781), (221, 876561), (267, 725543), (273, 709597), (357, 542633), (469, 413049), (623, 310947), (637, 304113), (663, 292187), (833, 232557), (871, 222411), (1139, 170079), (1157, 167433), (1407, 137683), (1513, 128037), (1547, 125223), (1869, 103649), (1911, 101371), (2499, 77519), (2613, 74137), (3283, 59007), (3417, 56693), (3471, 55811), (4361, 44421), (4539, 42679), (4641, 41741), (5963, 32487), (6097, 31773), (7973, 24297), (8099, 23919), (9849, 19669), (10591, 18291), (10829, 17889), (13083, 14807)]