15278625

素因数分解:

$3^5\times 5^3\times {\mathrm{503}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 28619136

約数和(自身を除く): 13340511

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 503, 675, 1125, 1215, 1509, 2025, 2515, 3375, 4527, 6075, 7545, 10125, 12575, 13581, 22635, 30375, 37725, 40743, 62875, 67905, 113175, 122229, 188625, 203715, 339525, 565875, 611145, 1018575, 1697625, 3055725, 5092875, 15278625]

約数ペア:

[(1, 15278625), (3, 5092875), (5, 3055725), (9, 1697625), (15, 1018575), (25, 611145), (27, 565875), (45, 339525), (75, 203715), (81, 188625), (125, 122229), (135, 113175), (225, 67905), (243, 62875), (375, 40743), (405, 37725), (503, 30375), (675, 22635), (1125, 13581), (1215, 12575), (1509, 10125), (2025, 7545), (2515, 6075), (3375, 4527)]