28913625

素因数分解:

$3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 28743975

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 325, 351, 375, 585, 659, 675, 975, 1125, 1625, 1755, 1977, 2925, 3295, 3375, 4875, 5931, 8567, 8775, 9885, 14625, 16475, 17793, 25701, 29655, 42835, 43875, 49425, 77103, 82375, 88965, 128505, 148275, 214175, 231309, 247125, 385515, 444825, 642525, 741375, 1070875, 1156545, 1927575, 2224125, 3212625, 5782725, 9637875, 28913625]

約数ペア:

[(1, 28913625), (3, 9637875), (5, 5782725), (9, 3212625), (13, 2224125), (15, 1927575), (25, 1156545), (27, 1070875), (39, 741375), (45, 642525), (65, 444825), (75, 385515), (117, 247125), (125, 231309), (135, 214175), (195, 148275), (225, 128505), (325, 88965), (351, 82375), (375, 77103), (585, 49425), (659, 43875), (675, 42835), (975, 29655), (1125, 25701), (1625, 17793), (1755, 16475), (1977, 14625), (2925, 9885), (3295, 8775), (3375, 8567), (4875, 5931)]