139228257

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 230553600

約数和(自身を除く): 91325343

約数列:

[1, 3, 7, 19, 21, 49, 57, 79, 133, 147, 237, 399, 553, 631, 931, 1501, 1659, 1893, 2793, 3871, 4417, 4503, 10507, 11613, 11989, 13251, 30919, 31521, 35967, 49849, 73549, 83923, 92757, 149547, 220647, 251769, 348943, 587461, 947131, 1046829, 1762383, 2442601, 2841393, 6629917, 7327803, 19889751, 46409419, 139228257]

約数ペア:

[(1, 139228257), (3, 46409419), (7, 19889751), (19, 7327803), (21, 6629917), (49, 2841393), (57, 2442601), (79, 1762383), (133, 1046829), (147, 947131), (237, 587461), (399, 348943), (553, 251769), (631, 220647), (931, 149547), (1501, 92757), (1659, 83923), (1893, 73549), (2793, 49849), (3871, 35967), (4417, 31521), (4503, 30919), (10507, 13251), (11613, 11989)]