28395225

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 57139200

約数和(自身を除く): 28743975

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 31, 45, 59, 69, 75, 93, 115, 135, 155, 177, 207, 225, 279, 295, 345, 465, 531, 575, 621, 675, 713, 775, 837, 885, 1035, 1357, 1395, 1475, 1593, 1725, 1829, 2139, 2325, 2655, 3105, 3565, 4071, 4185, 4425, 5175, 5487, 6417, 6785, 6975, 7965, 9145, 10695, 12213, 13275, 15525, 16461, 17825, 19251, 20355, 20925, 27435, 32085, 33925, 36639, 39825, 42067, 45725, 49383, 53475, 61065, 82305, 96255, 101775, 126201, 137175, 160425, 183195, 210335, 246915, 305325, 378603, 411525, 481275, 631005, 915975, 1051675, 1135809, 1234575, 1893015, 3155025, 5679045, 9465075, 28395225]

約数ペア:

[(1, 28395225), (3, 9465075), (5, 5679045), (9, 3155025), (15, 1893015), (23, 1234575), (25, 1135809), (27, 1051675), (31, 915975), (45, 631005), (59, 481275), (69, 411525), (75, 378603), (93, 305325), (115, 246915), (135, 210335), (155, 183195), (177, 160425), (207, 137175), (225, 126201), (279, 101775), (295, 96255), (345, 82305), (465, 61065), (531, 53475), (575, 49383), (621, 45725), (675, 42067), (713, 39825), (775, 36639), (837, 33925), (885, 32085), (1035, 27435), (1357, 20925), (1395, 20355), (1475, 19251), (1593, 17825), (1725, 16461), (1829, 15525), (2139, 13275), (2325, 12213), (2655, 10695), (3105, 9145), (3565, 7965), (4071, 6975), (4185, 6785), (4425, 6417), (5175, 5487)]