203439915

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 412944480

約数和(自身を除く): 209504565

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 257, 315, 359, 441, 735, 771, 1077, 1285, 1795, 1799, 2205, 2313, 2513, 3231, 3855, 5385, 5397, 7539, 8995, 11565, 12565, 12593, 16155, 16191, 17591, 22617, 26985, 37695, 37779, 52773, 62965, 80955, 87955, 92263, 113085, 113337, 158319, 188895, 263865, 276789, 461315, 566685, 645841, 791595, 830367, 1383945, 1937523, 3229205, 4151835, 4520887, 5812569, 9687615, 13562661, 22604435, 29062845, 40687983, 67813305, 203439915]

約数ペア:

[(1, 203439915), (3, 67813305), (5, 40687983), (7, 29062845), (9, 22604435), (15, 13562661), (21, 9687615), (35, 5812569), (45, 4520887), (49, 4151835), (63, 3229205), (105, 1937523), (147, 1383945), (245, 830367), (257, 791595), (315, 645841), (359, 566685), (441, 461315), (735, 276789), (771, 263865), (1077, 188895), (1285, 158319), (1795, 113337), (1799, 113085), (2205, 92263), (2313, 87955), (2513, 80955), (3231, 62965), (3855, 52773), (5385, 37779), (5397, 37695), (7539, 26985), (8995, 22617), (11565, 17591), (12565, 16191), (12593, 16155)]