72469725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 128241792

約数和(自身を除く): 55772067

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 113, 255, 339, 425, 503, 565, 1275, 1509, 1695, 1921, 2515, 2825, 5763, 7545, 8475, 8551, 9605, 12575, 25653, 28815, 37725, 42755, 48025, 56839, 128265, 144075, 170517, 213775, 284195, 641325, 852585, 966263, 1420975, 2898789, 4262925, 4831315, 14493945, 24156575, 72469725]

約数ペア:

[(1, 72469725), (3, 24156575), (5, 14493945), (15, 4831315), (17, 4262925), (25, 2898789), (51, 1420975), (75, 966263), (85, 852585), (113, 641325), (255, 284195), (339, 213775), (425, 170517), (503, 144075), (565, 128265), (1275, 56839), (1509, 48025), (1695, 42755), (1921, 37725), (2515, 28815), (2825, 25653), (5763, 12575), (7545, 9605), (8475, 8551)]