22550175

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 43175808

約数和(自身を除く): 20625633

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 53, 61, 75, 93, 155, 159, 183, 225, 265, 279, 305, 465, 477, 549, 775, 795, 915, 1325, 1395, 1525, 1643, 1891, 2325, 2385, 2745, 3233, 3975, 4575, 4929, 5673, 6975, 8215, 9455, 9699, 11925, 13725, 14787, 16165, 17019, 24645, 28365, 29097, 41075, 47275, 48495, 73935, 80825, 85095, 100223, 123225, 141825, 145485, 242475, 300669, 369675, 425475, 501115, 727425, 902007, 1503345, 2505575, 4510035, 7516725, 22550175]

約数ペア:

[(1, 22550175), (3, 7516725), (5, 4510035), (9, 2505575), (15, 1503345), (25, 902007), (31, 727425), (45, 501115), (53, 425475), (61, 369675), (75, 300669), (93, 242475), (155, 145485), (159, 141825), (183, 123225), (225, 100223), (265, 85095), (279, 80825), (305, 73935), (465, 48495), (477, 47275), (549, 41075), (775, 29097), (795, 28365), (915, 24645), (1325, 17019), (1395, 16165), (1525, 14787), (1643, 13725), (1891, 11925), (2325, 9699), (2385, 9455), (2745, 8215), (3233, 6975), (3975, 5673), (4575, 4929)]