18234125

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 28632240

約数和(自身を除く): 10398115

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 125, 175, 229, 245, 325, 455, 637, 875, 1145, 1225, 1603, 1625, 2275, 2977, 3185, 5725, 6125, 8015, 11221, 11375, 14885, 15925, 20839, 28625, 40075, 56105, 74425, 79625, 104195, 145873, 200375, 280525, 372125, 520975, 729365, 1402625, 2604875, 3646825, 18234125]

約数ペア:

[(1, 18234125), (5, 3646825), (7, 2604875), (13, 1402625), (25, 729365), (35, 520975), (49, 372125), (65, 280525), (91, 200375), (125, 145873), (175, 104195), (229, 79625), (245, 74425), (325, 56105), (455, 40075), (637, 28625), (875, 20839), (1145, 15925), (1225, 14885), (1603, 11375), (1625, 11221), (2275, 8015), (2977, 6125), (3185, 5725)]