17638725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 31942400

約数和(自身を除く): 14303675

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 79, 195, 229, 237, 325, 395, 687, 975, 1027, 1145, 1185, 1975, 2977, 3081, 3435, 5135, 5725, 5925, 8931, 14885, 15405, 17175, 18091, 25675, 44655, 54273, 74425, 77025, 90455, 223275, 235183, 271365, 452275, 705549, 1175915, 1356825, 3527745, 5879575, 17638725]

約数ペア:

[(1, 17638725), (3, 5879575), (5, 3527745), (13, 1356825), (15, 1175915), (25, 705549), (39, 452275), (65, 271365), (75, 235183), (79, 223275), (195, 90455), (229, 77025), (237, 74425), (325, 54273), (395, 44655), (687, 25675), (975, 18091), (1027, 17175), (1145, 15405), (1185, 14885), (1975, 8931), (2977, 5925), (3081, 5725), (3435, 5135)]