1669904271

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{631}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 2984084064

約数和(自身を除く): 1314179793

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 353, 357, 441, 631, 833, 1059, 1071, 1893, 2471, 2499, 3177, 4417, 5679, 6001, 7413, 7497, 10727, 13251, 17297, 18003, 22239, 30919, 32181, 39753, 42007, 51891, 54009, 75089, 92757, 96543, 126021, 155673, 222743, 225267, 278271, 294049, 378063, 525623, 668229, 675801, 882147, 1559201, 1576869, 2004687, 2646441, 3786631, 4677603, 4730607, 10914407, 11359893, 14032809, 26506417, 32743221, 34079679, 79519251, 98229663, 185544919, 238557753, 556634757, 1669904271]

約数ペア:

[(1, 1669904271), (3, 556634757), (7, 238557753), (9, 185544919), (17, 98229663), (21, 79519251), (49, 34079679), (51, 32743221), (63, 26506417), (119, 14032809), (147, 11359893), (153, 10914407), (353, 4730607), (357, 4677603), (441, 3786631), (631, 2646441), (833, 2004687), (1059, 1576869), (1071, 1559201), (1893, 882147), (2471, 675801), (2499, 668229), (3177, 525623), (4417, 378063), (5679, 294049), (6001, 278271), (7413, 225267), (7497, 222743), (10727, 155673), (13251, 126021), (17297, 96543), (18003, 92757), (22239, 75089), (30919, 54009), (32181, 51891), (39753, 42007)]