74218275

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 145337920

約数和(自身を除く): 71119645

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 243, 285, 405, 475, 513, 643, 675, 855, 1215, 1425, 1539, 1929, 2025, 2565, 3215, 4275, 4617, 5787, 6075, 7695, 9645, 12217, 12825, 16075, 17361, 23085, 28935, 36651, 38475, 48225, 52083, 61085, 86805, 109953, 115425, 144675, 156249, 183255, 260415, 305425, 329859, 434025, 549765, 781245, 916275, 989577, 1302075, 1649295, 2748825, 2968731, 3906225, 4947885, 8246475, 14843655, 24739425, 74218275]

約数ペア:

[(1, 74218275), (3, 24739425), (5, 14843655), (9, 8246475), (15, 4947885), (19, 3906225), (25, 2968731), (27, 2748825), (45, 1649295), (57, 1302075), (75, 989577), (81, 916275), (95, 781245), (135, 549765), (171, 434025), (225, 329859), (243, 305425), (285, 260415), (405, 183255), (475, 156249), (513, 144675), (643, 115425), (675, 109953), (855, 86805), (1215, 61085), (1425, 52083), (1539, 48225), (1929, 38475), (2025, 36651), (2565, 28935), (3215, 23085), (4275, 17361), (4617, 16075), (5787, 12825), (6075, 12217), (7695, 9645)]